It was quite ___accident that I met him; he was homeless and ___rags at that time.
| A．by; in | B．on; in | C．at; by | D．in; in |
She felt _____ of having asked such a silly question when the audience couldn't help laughing.
| A．guilty | B．crazy | C．miserable | D．ashamed |
The driver can adjust the heating in winter and the air conditioning in summer to suit his own _____.
| A．leisure | B．preference | C．convenience | D．selection |
There is not much time left; So I'll tell you about it _____.
| A．in detail | B．in brief | C．in short | D．in all |
The rain was heavy and _____ the land was flooded.
| A．consequently | B．constantly | C．continuously | D．consistently |
From the cheers and shouts of _____, I gathered that he was winning the race.
| A．stimulus | B．urgency | C．encouragement | D．promotion |